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Battery Drain On s3 i19305

Hi, need some help,
I got this phone a couple of days back, its an unlocked one. Battery on the phone seems to be draining faster than i expected it to. The first time i charged it, it took 3 hours in the afternoon. By night it was 20% this was after playing games and downloading through wifi, so it seemed ok. I then put it for charge overnight. The next day it still seemed to drained by 7pm only used whats app this day, so i had to put for charge again.
Once fully charged (2 hrs) I shut off wifi, bluetooth, nfc and others. Switched off smart stay options and the display is set to lowest brightness (not auto). The wallpapers is also black so it will not drain battery. Overnight without the phone being used (only thing i set was alarm) the charge went from 89% to 78%. During the day I also find the charge still dropping pretty rapidly. I have included the screen shot of the battery from the same day. Between the first pictures there is no difference in use and still drops by 3% in 20 mins or so.
Is this a problem with the battery or is that how it is?
(Stock, no changes to rom)

Not sure if this is your specific problem - but one thing I've found that kills this phone fast is bad 4G cell reception. By default the phone runs as LTE/GSM/WCDMA (Auto) in Settings->Mobile Networks . If you are in a location with patchy (or none at all) 4G Coverage, the phone wastes an inordinate amount of juice switching to high-power mode on the cell radio searching for the elusive 4G/LTE ... Just like a 3G phone will deplete its battery extremly fast in a location with no/poor 3G connectivity (inside the 'secure' datacentres I wander into occasionally that have cell blockers, I can deplete the battery in a phone in about 3 hours just due to it constantly switching to high-power 'cell search' mode as it has no details on any cells to 'hand off' to....)
The difference is palpable... inside my office, if I have the phone on the right side of my desk closest to some windows, it will receive 'patchy' 4G and I'll go through about 60% battery over about 8-10 hours with intermittent phone use (most of the battery goes to screen time as I'm a 'fiddler' whenever I leave my desk for a coffee/break/etc...) If I place it on the left side of my desk, where the reception is much worse, it'll fall back to 3G and I'll go through about 80% battery doing nothing different...
I'm now in the habit of switching the phone to WCDMA Only when I'm going to be working in the bowels of the building, as there aint no hope of 4G there...Doing this drastically improves battery life.. Likewise if I'm stuck at home over the weekend, I leave it on WCDMA, as where I live has very patchy 4G as well and I only get it if I walk outside and down the street...
Just a possible reason for the excessive drain... at least worth trying anyway... *shrug*

adr6ian said:
Not sure if this is your specific problem - but one thing I've found that kills this phone fast is bad 4G cell reception. By default the phone runs as LTE/GSM/WCDMA (Auto) in Settings->Mobile Networks . If you are in a location with patchy (or none at all) 4G Coverage, the phone wastes an inordinate amount of juice switching to high-power mode on the cell radio searching for the elusive 4G/LTE ... Just like a 3G phone will deplete its battery extremly fast in a location with no/poor 3G connectivity (inside the 'secure' datacentres I wander into occasionally that have cell blockers, I can deplete the battery in a phone in about 3 hours just due to it constantly switching to high-power 'cell search' mode as it has no details on any cells to 'hand off' to....)
The difference is palpable... inside my office, if I have the phone on the right side of my desk closest to some windows, it will receive 'patchy' 4G and I'll go through about 60% battery over about 8-10 hours with intermittent phone use (most of the battery goes to screen time as I'm a 'fiddler' whenever I leave my desk for a coffee/break/etc...) If I place it on the left side of my desk, where the reception is much worse, it'll fall back to 3G and I'll go through about 80% battery doing nothing different...
I'm now in the habit of switching the phone to WCDMA Only when I'm going to be working in the bowels of the building, as there aint no hope of 4G there...Doing this drastically improves battery life.. Likewise if I'm stuck at home over the weekend, I leave it on WCDMA, as where I live has very patchy 4G as well and I only get it if I walk outside and down the street...
Just a possible reason for the excessive drain... at least worth trying anyway... *shrug*
Click to expand...
Click to collapse
Hi thanks for the reply. My phone does not show WCDMA in settings. It just has 2g/3g/4g/ auto OR 3g in network modes under mobile networks.

varun.k said:
Hi thanks for the reply. My phone does not show WCDMA in settings. It just has 2g/3g/4g/ auto OR 3g in network modes under mobile networks.
Click to expand...
Click to collapse
I have used an app called "Radio Switcher" to activate "gsm auto (prl)", when i open the app it seems to go into "Device info". It seems to work but "Network mode" does not seem to change.

I have uploaded the screenshots

Seems as though the system is using more battery than the screen itself.

The system seems to really take up way too much battery power. Mine is at 4%.
What are your sync settings? Especially for things like Weather, stocks, news etc. If you set them to sync every hour or so, your phone will keep running on the 3G network which will end up draining your battery.
Also, switch off motion. It's a cool feature, but it's not necessary. Same with auto-rotate.
Finally, use WiFi instead of 3G where possible. That saves battery too.
If you're rooted, download noFrills CPU control and reduce your max clock frequency on days where you won't get a charge. Phone runs well enough on 800mhz, but has a tendency to keep going at 1.4Ghz for no reason.
Otherwise, get a higher capacity battery

Snowstormzzz said:
The system seems to really take up way too much battery power. Mine is at 4%.
What are your sync settings? Especially for things like Weather, stocks, news etc. If you set them to sync every hour or so, your phone will keep running on the 3G network which will end up draining your battery.
Also, switch off motion. It's a cool feature, but it's not necessary. Same with auto-rotate.
Finally, use WiFi instead of 3G where possible. That saves battery too.
If you're rooted, download noFrills CPU control and reduce your max clock frequency on days where you won't get a charge. Phone runs well enough on 800mhz, but has a tendency to keep going at 1.4Ghz for no reason.
Otherwise, get a higher capacity battery
Click to expand...
Click to collapse
My sync is off, plus i have disabled sync for everything individuality and disabled all unwanted apps. Data service is also off, only use wi-fi. under motion only smart call is on and auto rotate us off.
I have uploaded a screen shot off after ti disable all these apps.(went to bed with 35% and was 28% in the mornin, turned wifi off before)

Will upgrading (official) phone to android 4.1.2 help (current ver is 4.1.1)? Current base band version is i9305BVALI5 i got an update on kies to i9305BVALI3. I don't think this is update to 4.1.2 is it?

I have updated to 4.1.2, and applied only gsm setting in mobile network. All apps are still disabled as before. The system still seems to be suing most amount of battery, more than the screen. I do not know what is using the system.

I have stared having the same problem a couple of days ago. Though I have sync enabled 0-24 for 3 gmail accounts, motions are on, screen auto rotate is also on. I am using nova launcher, almost all Samsung apps are frozen and most of time I am on wifi.
Now, this drain has nothing to do with the stuff I just mentioned (Enabled sync, motions...). I have all that things enabled all the time, and yes MPU and GPU are OC to 1600 and 640 MHz. But I was always getting >= 24h with ~3,5 h of screen on time. As I already mentioned, problem started a couple of days ago. Only thing which comes to my mind is that I have played with freezing / defrosting apps and I probably installed a couple of apps too. Like Beautiful Widgets and that's my main candidate to blame for this at the moment.
Though I am still not sure... Better than battery stats didn't show anything what could help. Network location locator or similar is at the top of the list of partial wake locks. But the time it hold the lock (About 25 min.) can't be the reason for such a high drain.
I have switched to HD Widgets, what I was using before (With this app one can disable auto location.) removed Beautiful Widgets, and turned off'Use wireless networks' and GPS in location services hoping it will help... So we'll see...

For me it still shows that adroid system and cell standby time is using a lot battery.

I don't get why android system and OS is using so much battery, everything is disabled. Network is on only GSM setting and i have network all the time, why is that also high? Does someone else also have the same problem?

If possible, install Better Battery Stats, maybe it will help you to identify the problem... In my case it is not of much use at the moment.
Sent from my GT-I9305 using xda premium

Strange idea: download an anti-virus and let it run.
Might as well give it a shot now, especially since AV is free.

Snowstormzzz said:
Strange idea: download an anti-virus and let it run.
Might as well give it a shot now, especially since AV is free.
Click to expand...
Click to collapse
I was using AVG, but i removed it thinking it could drain battery.

Sv: Battery Drain On s3 i19305
varun.k said:
I was using AVG, but i removed it thinking it could drain battery.
Click to expand...
Click to collapse
I think he meant that it could be a virus that drains all the battery.
Sent from my GT-I9305 using xda app-developers app

sebbe312 said:
I think he meant that it could be a virus that drains all the battery.
Sent from my GT-I9305 using xda app-developers app
Click to expand...
Click to collapse
I did an upgrade using odin to 4.1.2, the issue still remains though. The screen shots i posted is with the update.
So any virus should also be wiped out right?

varun.k said:
I did an upgrade using odin to 4.1.2, the issue still remains though. The screen shots i posted is with the update.
So any virus should also be wiped out right?
Click to expand...
Click to collapse
Anyways i tried it, does not seem to work though.

!crazy said:
If possible, install Better Battery Stats, maybe it will help you to identify the problem... In my case it is not of much use at the moment.
Sent from my GT-I9305 using xda premium
Click to expand...
Click to collapse
I have installed better battery stats, and it says that battery drain is 6% an hour at idle. I have attached the screen shots. I do not have root access to access some of its functions though.

If you havin' battery troubles I feel bad for you son...

I got 99 problems but my battery life ain't 1.
How to get the best battery life out of your Nexus 5
1. Location Services : If you are not in a neighborhood with a lot of wifi spots you will most likely feel this draining your battery life. Under settings make sure that Location Services is set to battery saving and not High accuracy.
2. Widgets : Weather widgets, games eat battery by constantly fetching information . Check the settings for these widgets and make sure they are using wifi and not updating the weather information every 30 mins or so. I keep my settings to update weather information every hour to keep it reasonable. The Gmail widget sometimes eats your battery too. I removed the widget and used an icon in the dock at the bottom to check my email.
3. Restart your phone : Sometimes residual processes from closed apps could cause issues. Restart your phone if you haven't done it in a while and it should clear up any unnecessary things.
4. Keep wifi on during sleep : I made sure my phone uses wifi even when its sleeping. 3g / 4g eats the battery like crazy if you turn off wifi when your phone sleeps. This should be a default setting as pointed out by some users. In my case it had been changed probably when I was tinkering with the phone. You can find this setting in the Settings -> Wifi -> advanced -> Keep wifi on during sleep.
You can also use apps like Greenify , Tasker , and Llama.
5. Don't use Automatic Brightness : Turns out if the sensors are constantly looking to adjust brightness it takes up more battery. I set my brightness at around 60% and it works just fine throughout the day.
6. Use wifi over 3G/4G/LTE if possible
7. Switch off wifi when using Data: Android doesnt switch off your WiFi when you use data because Google wants you to use it for Locations and help build their database of networks.Switch off WiFi completely when using data to save a good chunk of battery.
8. Turn off Vibration on touch : Typing uses quite a bit of battery over the course of a day. Try switching Vibration on touch off.
9. Use Franco Kernel: : This will require rooting your device however it makes it a lot more power efficient.
10. Turn down the Facebook refresh rate : Make sure it updates not very often( every 3-4 hours) or never. IMO your phone is better off without Facebook or any other battery hog social networking apps.
11. Greenify: Works with and without root. Use Greenify to hibernate apps when they should not be running in the background. This is best used for games that fetch information about deals or daily events (i.e. Battle Nations or Real Racing 3)
Feel free to add anything to my list.

Moynia said:
I got 99 problems but my battery life ain't 1.
How to get the best battery life out of your Nexus 5
1. Location Services : If you are not in a neighborhood with a lot of wifi spots you will most likely feel this draining your battery life. Under settings make sure that Location Services is set to battery saving and not High accuracy.
2. Widgets : Weather widgets, games eat battery by constantly fetching information . Check the settings for these widgets and make sure they are using wifi and not updating the weather information every 30 mins or so. I keep my settings to update weather information every hour to keep it reasonable. The Gmail widget sometimes eats your battery too. I removed the widget and used an icon in the dock at the bottom to check my email.
3. Restart your phone : Sometimes residual processes from closed apps could cause issues. Restart your phone if you haven't done it in a while and it should clear up any unnecessary things.
4. Keep wifi on during sleep : I made sure my phone uses wifi even when its sleeping. 3g / 4g eats the battery like crazy if you turn off wifi when your phone sleeps. This should be a default setting as pointed out by some users. In my case it had been changed probably when I was tinkering with the phone. You can find this setting in the Settings -> Wifi -> advanced -> Keep wifi on during sleep.
You can also use apps like Greenify , Tasker , and Llama.
5. Don't use Automatic Brightness : Turns out if the sensors are constantly looking to adjust brightness it takes up more battery. I set my brightness at around 60% and it works just fine throughout the day.
6. Use wifi over 3G/4G/LTE if possible
7. Switch off wifi when using Data: Android doesnt switch off your WiFi when you use data because Google wants you to use it for Locations and help build their database of networks.Switch off WiFi completely when using data to save a good chunk of battery.
8. Turn off Vibration on touch : Typing uses quite a bit of battery over the course of a day. Try switching Vibration on touch off.
9. Use Franco Kernel: : This will require rooting your device however it makes it a lot more power efficient.
10. Turn down the Facebook refresh rate : Make sure it updates not very often( every 3-4 hours) or never. IMO your phone is better off without Facebook or any other battery hog social networking apps.
11. Greenify: Works with and without root. Use Greenify to hibernate apps when they should not be running in the background. This is best used for games that fetch information about deals or daily events (i.e. Battle Nations or Real Racing 3)
Feel free to add anything to my list.
Click to expand...
Click to collapse
4, 6, and 7.. it would all depend on your signal quality. i get MUCH better battery life on lte than on wifi. and i mean much! i get 5-6 hour screen on time without doing anything special. on wifi i get an hour to hour and a half less. so the wifi thing is just in your situation, and not for everyone.
9.. there are better kernels than franco kernel. and on top of that, kernels have so little influence on battery life. battery life is mostly about your personal use, your personal setup, your choice of apps used, and very much on the quality of your phone/data connection. everything else has very little influence, including kernels.

3. This I agree. I've had super strange battery drain if I don't restart the phone once in a few days. I refuse to believe its a bad app as there are no wakelocks, seems to be more of a phone idle battery drain or radio drain.
4. To be honest, it depends on the WiFi network. Some WiFi networks (typically at universities) have a strange and outright horrible battery drain the moment you connect to their network and leave the screen off.
6. Again to not repeat what I said earlier, I get better battery life if I connect to LTE instead of my school's WiFi. Download speeds over LTE are 2-5x greater than my school's WiFi, so race to idle may be happening here.
7. Most android phones today have minimal battery drain with WiFi left turned on. But it doesn't hurt turning WiFi off if there are many weak known WiFi networks around you.
8. Not sure how much you'll save, I don't even recall much of an increase of battery with this off. YMMV situation I suppose.
9. I've had better battery life with other kernels. Again it's a YMMV situation.
Not a bad guide really
Another tip is that if Google Play services keeps your phone awake for a long time, revert Google Search to an older version, reboot the phone. The wakelocks should be drastically reduced.
Sent from my Nexus 5 using Tapatalk

Using Nexus 5 with:
CyanogenMod Nightlies
ElementalX kernel
1d 2h 9ms on battery / 2h 17ms screen-on time / with 38% remaining!

Good information! ?
Only thing I'd say is to just remove the part about kernel completely. As said above, kernel makes little difference. I get 24 plus hours and 6 hours screen time on any ROM or kernel. It's all setup and usage.

Nothing new here. Good for noobs, but most will have done this already

I have found that turning location off completely has helped my battery life tremendously. While I was barely able to make it through the day before, now I can easily pass by with 40% or something and light usage. I've tried other things but nothing has improved my battery life as much as turning location off.

Awesomepie85 said:
I have found that turning location off completely has helped my battery life tremendously. While I was barely able to make it through the day before, now I can easily pass by with 40% or something and light usage. I've tried other things but nothing has improved my battery life as much as turning location off.
Click to expand...
Click to collapse
Yup! That's what toggles are for. Need it? 2 clicks and its on. That's always my advice.

Heavy Battery Drain related to CPU usage?

Hey guys,
I've been having some issues recently with battery drain on my Turbo which I think is related to an unncessarily high CPU usage for apps that shouldn't be that demanding. Let me start way back
I work in a radiation shielded environment so I keep my phone in airplane mode at work with WiFi on. I don't think this has to do with the phone constantly searching for signal.
I also greenify apps like an OCD madman. I do have a Moto 360 1st gen paired to my phone along with a pair of bluetooth stereo headphones essentially all the time. I've been using amplify to block location based wakelocks and to override the sync rate to every 10 minutes instead of push for certain google apps. I've been watching the wakelocks closely and I haven't found anything like rogue programs as far as I can tell eating up battery (i.e. apps I wasn't already actively aware of running). Adaptive brightness is enabled but attentive display (where it's supposed to watch you) is disabled. I use moto display including the IR sensor wave gesture. I don't use the alarm gesture. I don't use Moto Assist.
My issue basically has been with listening to music/radio from my phone. Streaming radio from Tune In Radio Pro dropped my battery about 10% in 20 minutes with the screen on (I was texting and reading emails on the bus while listening to it). The phone was definitely hot to the touch. If I disable internet and do the same thing with Google Play music and local storage, the battery is slightly better but still drops significantly. Again, the phone ends up feeling like it's running hot. I looked at the CPU states under Bettery Battery Stats and the phone was at fairly high clock speeds (20% 1.73 GHz, 5% 2.65 GHz). I don't know if this was the definitive way to establish this.
Here's the kicker though. I enabled Android's battery saver option (it says it basically disabled sync, vibrate, and throttles the CPU) and have been running radio/music with FAR better battery drain. Like barely a percent or 2 in a half hour. I know that with sync disabled I would expect better battery too but the phone isn't hot and it wasn't always like this.
I'm running Computer Freak's 1.2.6 unlocked ROM. I guess my main question would be could I selectively choose power save features (i.e. CPU throttling WITHOUT disabling sync, vibrate, etc.) or is there any way to figure out why these apps end up making the phone run hot? Thanks!

vahx129 said:
Hey guys,
I've been having some issues recently with battery drain on my Turbo which I think is related to an unncessarily high CPU usage for apps that shouldn't be that demanding. Let me start way back
I work in a radiation shielded environment so I keep my phone in airplane mode at work with WiFi on. I don't think this has to do with the phone constantly searching for signal.
I also greenify apps like an OCD madman. I do have a Moto 360 1st gen paired to my phone along with a pair of bluetooth stereo headphones essentially all the time. I've been using amplify to block location based wakelocks and to override the sync rate to every 10 minutes instead of push for certain google apps. I've been watching the wakelocks closely and I haven't found anything like rogue programs as far as I can tell eating up battery (i.e. apps I wasn't already actively aware of running). Adaptive brightness is enabled but attentive display (where it's supposed to watch you) is disabled. I use moto display including the IR sensor wave gesture. I don't use the alarm gesture. I don't use Moto Assist.
My issue basically has been with listening to music/radio from my phone. Streaming radio from Tune In Radio Pro dropped my battery about 10% in 20 minutes with the screen on (I was texting and reading emails on the bus while listening to it). The phone was definitely hot to the touch. If I disable internet and do the same thing with Google Play music and local storage, the battery is slightly better but still drops significantly. Again, the phone ends up feeling like it's running hot. I looked at the CPU states under Bettery Battery Stats and the phone was at fairly high clock speeds (20% 1.73 GHz, 5% 2.65 GHz). I don't know if this was the definitive way to establish this.
Here's the kicker though. I enabled Android's battery saver option (it says it basically disabled sync, vibrate, and throttles the CPU) and have been running radio/music with FAR better battery drain. Like barely a percent or 2 in a half hour. I know that with sync disabled I would expect better battery too but the phone isn't hot and it wasn't always like this.
I'm running Computer Freak's 1.2.6 unlocked ROM. I guess my main question would be could I selectively choose power save features (i.e. CPU throttling WITHOUT disabling sync, vibrate, etc.) or is there any way to figure out why these apps end up making the phone run hot? Thanks!
Click to expand...
Click to collapse
If you used baybutcher's custom kernel, you could throttle the CPUs frequencies, and set a more power saving CPU governer, as well as other battery saving options.
That would probably require you to flash RR.

vahx129 said:
Hey guys,
I've been having some issues recently with battery drain on my Turbo which I think is related to an unncessarily high CPU usage for apps that shouldn't be that demanding. Let me start way back
I work in a radiation shielded environment so I keep my phone in airplane mode at work with WiFi on. I don't think this has to do with the phone constantly searching for signal.
I also greenify apps like an OCD madman. I do have a Moto 360 1st gen paired to my phone along with a pair of bluetooth stereo headphones essentially all the time. I've been using amplify to block location based wakelocks and to override the sync rate to every 10 minutes instead of push for certain google apps. I've been watching the wakelocks closely and I haven't found anything like rogue programs as far as I can tell eating up battery (i.e. apps I wasn't already actively aware of running). Adaptive brightness is enabled but attentive display (where it's supposed to watch you) is disabled. I use moto display including the IR sensor wave gesture. I don't use the alarm gesture. I don't use Moto Assist.
My issue basically has been with listening to music/radio from my phone. Streaming radio from Tune In Radio Pro dropped my battery about 10% in 20 minutes with the screen on (I was texting and reading emails on the bus while listening to it). The phone was definitely hot to the touch. If I disable internet and do the same thing with Google Play music and local storage, the battery is slightly better but still drops significantly. Again, the phone ends up feeling like it's running hot. I looked at the CPU states under Bettery Battery Stats and the phone was at fairly high clock speeds (20% 1.73 GHz, 5% 2.65 GHz). I don't know if this was the definitive way to establish this.
Here's the kicker though. I enabled Android's battery saver option (it says it basically disabled sync, vibrate, and throttles the CPU) and have been running radio/music with FAR better battery drain. Like barely a percent or 2 in a half hour. I know that with sync disabled I would expect better battery too but the phone isn't hot and it wasn't always like this.
I'm running Computer Freak's 1.2.6 unlocked ROM. I guess my main question would be could I selectively choose power save features (i.e. CPU throttling WITHOUT disabling sync, vibrate, etc.) or is there any way to figure out why these apps end up making the phone run hot? Thanks!
Click to expand...
Click to collapse
You could try messing around with Kernel Adiutor from the Play Store to control throttling.

Thanks guys I'll give those suggestions a shot and see how it works. I also did reflash my rom and modules and that seemed to help slightly as far as the overheating for today at least.

vahx129 said:
Thanks guys I'll give those suggestions a shot and see how it works. I also did reflash my rom and modules and that seemed to help slightly as far as the overheating for today at least.
Click to expand...
Click to collapse
You might also want to constantly check for updates every week or so.
Also take advantage of the AMOLED screen to save battery i.e. use black themed apps, themes, wallpapers. Avoid white backgrounds wherever possible, avoid using the phone at max brightness (that'll kill your screen very fast.)

Hey any updates? I am running unrooted and have been noticing after I open certain apps my phone starts heating up and the battery draining. I haven't had much time to do troubleshooting but it seems that certain apps, not sure yet which ones, have runaway loops that end up eating up the processor and draining the battery. I am willing to root if I have to to solve this, but would prefer not to. Let me know if you have found anything out.

Battery preservation strategy

I've been thoroughly impressed with battery life on the Moto Z as a result of normal use. Less so with idle battery consumption. That is, after installing my full complement of apps (including facebook and twitter), I did a few tests by going too bed on a full charge, and found that 7 or so hours later, it had burned down 15-20% doing nothing overnight!
I installed gsam batter monitor since the stock one is kind of useless. This provided a lot of valuable info, which is basically that Twitter is a huge hog, Facebook surprisingly isn't, and google play services also seems to be spinning its wheels a lot when I'm doing nothing. But most of my juice was going to powering the wifi radio.
Android M has a setting to turn off wifi when the phone is sleeping. I was reluctant to do this at first because I figured my apps would just start wasting my data instead. However, you also have the ability to selectively limit apps' ability to use cellular data when running in the background. In an app's settings you can click "Data Usage", then "Restrict app background data."
I did this for all the apps that gsam identified as being the wifi/battery users. And frankly there are almost no apps that I actually want using data when I'm not using the app itself anyway, except SMS and gmail. (I wish there was a way to just say "actually shut this app down when I close it", so I could activate it for most apps!)
Anyway -after doing this, I activated the setting to turn off the wifi radio when the phone was sleeping.
Result? 2% battery drain overnight, and minimal cellular data use. Amazing.
(Btw - I also uninstalled the twitter app and just put a link from chrome on my desktop. The web mobile app is very good anyway and I'm not much a twitter addict so this is a fine alternative that is a lot less intrustive for me).

jamtre said:
I've been thoroughly impressed with battery life on the Moto Z as a result of normal use. Less so with idle battery consumption. That is, after installing my full complement of apps (including facebook and twitter), I did a few tests by going too bed on a full charge, and found that 7 or so hours later, it had burned down 15-20% doing nothing overnight!
I installed gsam batter monitor since the stock one is kind of useless. This provided a lot of valuable info, which is basically that Twitter is a huge hog, Facebook surprisingly isn't, and google play services also seems to be spinning its wheels a lot when I'm doing nothing. But most of my juice was going to powering the wifi radio.
Android M has a setting to turn off wifi when the phone is sleeping. I was reluctant to do this at first because I figured my apps would just start wasting my data instead. However, you also have the ability to selectively limit apps' ability to use cellular data when running in the background. In an app's settings you can click "Data Usage", then "Restrict app background data."
I did this for all the apps that gsam identified as being the wifi/battery users. And frankly there are almost no apps that I actually want using data when I'm not using the app itself anyway, except SMS and gmail. (I wish there was a way to just say "actually shut this app down when I close it", so I could activate it for most apps!)
Anyway -after doing this, I activated the setting to turn off the wifi radio when the phone was sleeping.
Result? 2% battery drain overnight, and minimal cellular data use. Amazing.
(Btw - I also uninstalled the twitter app and just put a link from chrome on my desktop. The web mobile app is very good anyway and I'm not much a twitter addict so this is a fine alternative that is a lot less intrustive for me).
Click to expand...
Click to collapse
I just got the phone a couple days ago. I appreciate the info here. I have also read that if you just turn wifi to 2.4 GHz only that it will keep the battery drain from happening. I don't use twitter or facebook so don't have to worry about those. Google play services has been a problem since marshmallow. If we could root we could use something like Amplify to stop all the wakelocks, but root is getting hard to come by on these new phones.
I noticed on Gsam that my phone will sleep well for a while, then the "held awake" category starts to take off. I have to reboot to get it to doze again. I have agressive doze and doze on the go activated in Greenify. Not sure what gets it started, but it would be nice to be able to kill it off without rebooting.

I bought a USB C to regular USB and have been charging without the Turbo Charger and the battery is doing so much better.
I was getting frustrated with the battery performance.
Sent from my XT1650 using XDA-Developers mobile app

Bluetooth drain

Morning all
Probably a silly question but while Bluetooth is on - myy s10 doesnt go to sleep and the battery drains very fast.
With it off its fine.
Unfortunately I use BT for my sony wireless buds and Galaxy watch.
Are there any tweaks to help out with battery life?
Its connected to the watch all the time while im wearing it so is this something i need to get used to?

adesad said:
Morning all
Probably a silly question but while Bluetooth is on - myy s10 doesnt go to sleep and the battery drains very fast.
With it off its fine.
Unfortunately I use BT for my sony wireless buds and Galaxy watch.
Are there any tweaks to help out with battery life?
Its connected to the watch all the time while im wearing it so is this something i need to get used to?
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Hmmn. I keep mine on to connect to my Xiaomi Mi Band 5 though I notice it Bluetooth does turn off occasionally. Hadn't noticed S10e draining faster (it does seem to still go to sleep) but maybe I haven't been paying enough attention. I'll be interested in any replies.

Try disabling all power management.
Load Karma Firewall. Android Services and Goggle Play Services* are big offenders.
Unfortunately if your on Q or higher Karma's logging feature doesn't work. This shows you real time what's hogging the internet and battery.
Another reason I'm still on Pie.
* enable briefly to access Gmail etc.

I have been using Better Battery Stats to keep an eye on it.
While BT is on the CPU sits at 1.95 at over 90% of the time I've tested it against.
With BT off - it does goto sleep and battery is loads better.
I need it on for the reasons above but its a right hog.

adesad said:
I have been using Better Battery Stats to keep an eye on it.
While BT is on the CPU sits at 1.95 at over 90% of the time I've tested it against.
With BT off - it does goto sleep and battery is loads better.
I need it on for the reasons above but its a right hog.
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Disabled all power management.
Try clearing apk data and going back to factory load.
Clear system cache on boot menu.
Disable any 3rd party apks other than Wearables using bt.
Start locking down apks that don't really need internet access with Karma Firewall* until you find the hog. Probably a system apk and the drain may actually be from constant internet traffic. Misreporting which apk is the culprit isn't uncommon as many have related dependencies.
*if you're running Q or higher it's logging function is disable I believe. It works fine with Pie and is an important tool. Otherwise you'll need to do it the hard way. Thanks Google, you suck.
Android Services, Google Play Services, Google Backup Transport and Google Framework are all hog candidates. Best to package block the last two and clear apk data on all but Android services as needed. This what I did to take my 10+ running on Pie.